RandomFields (version 3.0.10)

RMfixed: Fixed Effect Model

Description

Expressions of the form X@RMfixed(beta) can be used within a formula of the type $$responsefixedeffects+randomeffects+errorterm$$ that specifies the Linear Mixed Model.

Important Remark: RMfixed is NOT a function although the parantheses notation is used to specify the vector of coefficients.

The matrix $X$ is the design matrix and $\beta$ is a vector of coefficients

Note that a fixed effect of the form $X$ is interpreted as X@RMfixed(beta=NA) by default (and $\beta$ is estimated provided that the formula is used in RFfit). Note that the 1 in an expression 1@RMfixed(beta) is interpreted as the identity matrix.

See Also

RMmodel, RFformula, RFsimulate,

Examples

## For examples see the help page of 'RFformula' ##
RFoptions(seed=NA)